Golf putter



FIG. 1 is a front, left perspective view of a golf putter showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a right side view thereof. 

The ornametnal design for a golf putter, as shown and described. 